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Intumescent Fireproofing Sprayers

What Are Intumescent Fireproofing Sprayers?

Intumescent fireproofing sprayers apply coatings that provide passive fire protection (PFP) to structural steel and other specified substrates. Applications include steel beams, columns and pipe racks in commercial buildings and industrial facilities. Intumescent coatings include single-component products and two-component epoxy systems, each with its own equipment and application requirements.

When exposed to fire, an intumescent coating expands to form an insulating char layer. This slows heat transfer to the steel and helps delay the loss of structural strength. Fire-resistance performance depends on the tested coating system, specified dry film thickness, substrate geometry and application requirements.

High-build epoxy intumescent materials can be particularly demanding to spray because of their viscosity, mixing requirements and limited working time. Equipment selection should therefore start with the coating manufacturer’s application instructions.

Choosing the Right Fireproofing Sprayer for Your Job

Bolair offers single-component airless sprayers and plural-component systems for compatible intumescent fireproofing materials. Start by identifying how the coating must be mixed and delivered:

  • Single-component coatings: Select an airless sprayer that meets the coating manufacturer’s requirements for output, pressure and spray tip size.
  • Premixed two-component coatings: Where the coating manufacturer permits hot-pot application, the components are mixed before being fed into a suitable single-component sprayer. The equipment must handle the mixed material’s viscosity, and application and flushing must be completed within the specified working time.
  • Machine-proportioned two-component coatings: Use a compatible plural-component system to meter the components at the required ratio and control material temperature where specified.

Available equipment includes electric and gas-hydraulic airless sprayers, air-powered PFP pumps and dedicated plural-component proportioning systems. Suitability depends on the exact model, coating formulation, required production rate, hose configuration and wetted-material compatibility.

Maximum working pressure is an equipment rating, not the recommended spray pressure for every coating. Bolair can review your coating data sheet and project requirements to help identify an appropriate sprayer, hose and gun package.

Need help choosing the right sprayer? Call us at 866-445-9751 for a free equipment consultation, or contact our team online.

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Items 1-20 of 34

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  1. DutyMax GH 675DI Gas Hydraulic Airless Sprayer, Big 150 & Hopper 25D226DutyMax GH 675DI Gas Hydraulic Airless Sprayer, Big 150 & Hopper 25D226 Quick Shop
    DutyMax GH 675DI Gas Hydraulic Airless Sprayer, Big 150 & Hopper 25D226
    $29,270.00
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    The DutyMax GH 675DI is the preferred choice for high production professional contractors who handle hard-to-atomize materials such as silicone and other waterproofing and protective coating materials.
  2. DutyMax GH 675DI Gas Hydraulic Airless Sprayer, Big 150 25D225DutyMax GH 675DI Gas Hydraulic Airless Sprayer, Big 150 25D225 Quick Shop
    DutyMax GH 675DI Gas Hydraulic Airless Sprayer, Big 150 25D225
    $27,260.00
    Add to Wish List Add to Compare
    The DutyMax GH 675DI is the preferred choice for high production professional contractors who handle hard-to-atomize materials such as silicone and other waterproofing and protective coating materials.
  3. DutyMax GH 675DI Gas Hydraulic Airless Sprayer, Complete 25D223DutyMax GH 675DI Gas Hydraulic Airless Sprayer, Complete 25D223 Quick Shop
    DutyMax GH 675DI Gas Hydraulic Airless Sprayer, Complete 25D223
    $24,220.00
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    The DutyMax GH 675DI is the preferred choice for high production professional contractors who handle hard-to-atomize materials such as silicone and other waterproofing and protective coating materials.
  4. TexSpray Mark X ProContractor Series Electric Airless Sprayer 16X099TexSpray Mark X ProContractor Series Electric Airless Sprayer 16X099 Quick Shop
    TexSpray Mark X ProContractor Series Electric Airless Sprayer 16X099
    $16,040.00
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    The TexSpray Mark X 240 Volt is our most productive electric airless/texture unit
  5. 2K PFP Firetex Proportioning System 2628982K PFP Firetex Proportioning System 262898 Quick Shop
    2K PFP Firetex Proportioning System 262898
    $164,850.00
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    Passive fire protection (PFP) coatings make structures more resistant to fire by insulating structural steel from high temperatures and as a result, buy time for the evacuation before structural collapse.
  6. Complete XM PFP Sys for Explosive Atmospheres, 50ft Dual (3/4x3/4) Htd Hose, Mix Mnfld, 17ft Static Mix Line, 30:1 FlushPump, 429Tip 262945Complete XM PFP Sys for Explosive Atmospheres, 50ft Dual (3/4x3/4) Htd Hose, Mix Mnfld, 17ft Static Mix Line, 30:1 FlushPump, 429Tip 262945 Quick Shop
    Complete XM PFP Sys for Explosive Atmospheres, 50ft Dual (3/4x3/4) Htd Hose, Mix Mnfld, 17ft Static Mix Line, 30:1 FlushPump, 429Tip 262945
    $279,100.00
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    Passive fire protection (PFP) coatings make structures more resistant to fire by insulating structural steel from high temperatures and as a result, buy time for the evacuation before structural collapse.
  7. Complete XM PFP Sys for Explosive Atmospheres, 50ft Dual (3/4x1/2) Htd Hose, Mix Mnfld, 17ft Static Mix Line, 30:1 FlushPump, 429Tip 262943Complete XM PFP Sys for Explosive Atmospheres, 50ft Dual (3/4x1/2) Htd Hose, Mix Mnfld, 17ft Static Mix Line, 30:1 FlushPump, 429Tip 262943 Quick Shop
    Complete XM PFP Sys for Explosive Atmospheres, 50ft Dual (3/4x1/2) Htd Hose, Mix Mnfld, 17ft Static Mix Line, 30:1 FlushPump, 429Tip 262943
    $279,100.00
    Add to Wish List Add to Compare
    Passive fire protection (PFP) coatings make structures more resistant to fire by insulating structural steel from high temperatures and as a result, buy time for the evacuation before structural collapse.
  8. XM PFP Sprayer System, Non-Hazardous Location, 1.5:1 to 4:1 Ratio Range, Heated Hose Bundle 24W626XM PFP Sprayer System, Non-Hazardous Location, 1.5:1 to 4:1 Ratio Range, Heated Hose Bundle 24W626 Quick Shop
    XM PFP Sprayer System, Non-Hazardous Location, 1.5:1 to 4:1 Ratio Range, Heated Hose Bundle 24W626
    $220,280.00
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    Passive fire protection (PFP) coatings make structures more resistant to fire by insulating structural steel from high temperatures and as a result, buy time for the evacuation before structural collapse.
  9. Complete XM PFP System, 50 ft Dual Heated Hose, Mix Manifold, 17 ft Static Mix Line, 30:1 Flush Pump, XHF Gun with 429 Tip 262869Complete XM PFP System, 50 ft Dual Heated Hose, Mix Manifold, 17 ft Static Mix Line, 30:1 Flush Pump, XHF Gun with 429 Tip 262869 Quick Shop
    Complete XM PFP System, 50 ft Dual Heated Hose, Mix Manifold, 17 ft Static Mix Line, 30:1 Flush Pump, XHF Gun with 429 Tip 262869
    $220,280.00
    Add to Wish List Add to Compare
    Passive fire protection (PFP) coatings make structures more resistant to fire by insulating structural steel from high temperatures and as a result, buy time for the evacuation before structural collapse.
  10. Xtreme PFP Cart-Mounted 5 gal (19 L) XL Air Motor for Supply of Medium to High Viscosity Sealants and Adhesive Materials 24X069Xtreme PFP Cart-Mounted 5 gal (19 L) XL Air Motor for Supply of Medium to High Viscosity Sealants and Adhesive Materials 24X069 Quick Shop
    Xtreme PFP Cart-Mounted 5 gal (19 L) XL Air Motor for Supply of Medium to High Viscosity Sealants and Adhesive Materials 24X069
    $40,450.00
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    Affordable option for PFP touch-up projects.
  11. Xtreme PFP Cart-Mounted Single-Component Sprayer with 75 ft (23 m) Spray Line, XHF Gun, and 429 Tip 16T311Xtreme PFP Cart-Mounted Single-Component Sprayer with 75 ft (23 m) Spray Line, XHF Gun, and 429 Tip 16T311 Quick Shop
    Xtreme PFP Cart-Mounted Single-Component Sprayer with 75 ft (23 m) Spray Line, XHF Gun, and 429 Tip 16T311
    $32,970.00
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    Affordable option for PFP touch-up projects.
  12. TexSpray Mark IV Standard Series Electric Airless Sprayer 17E603TexSpray Mark IV Standard Series Electric Airless Sprayer 17E603 Quick Shop
    TexSpray Mark IV Standard Series Electric Airless Sprayer 17E603
    $11,880.00
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    The Mark IV HD is designed to save time and money by allowing you to spray more square footage in a day.
  13. TexSpray Mark IV ProContractor Series Electric Airless Sprayer 17E604TexSpray Mark IV ProContractor Series Electric Airless Sprayer 17E604 Quick Shop
    TexSpray Mark IV ProContractor Series Electric Airless Sprayer 17E604
    $13,050.00
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    The Mark IV HD is designed to save time and money by allowing you to spray more square footage in a day.
  14. TexSpray Mark V Standard Series Electric Airless Sprayer 17E605TexSpray Mark V Standard Series Electric Airless Sprayer 17E605 Quick Shop
    TexSpray Mark V Standard Series Electric Airless Sprayer 17E605
    $19,220.00
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    The Mark V HD delivers a higher flow rate to complete jobs faster.
  15. TexSpray Mark V ProContractor Series Electric Airless Sprayer 17E606TexSpray Mark V ProContractor Series Electric Airless Sprayer 17E606 Quick Shop
    TexSpray Mark V ProContractor Series Electric Airless Sprayer 17E606
    $15,089.00
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    The Mark V HD delivers a higher flow rate to complete jobs faster.
  16. TexSpray Mark V IronMan Series Electric Airless Sprayer 17E607TexSpray Mark V IronMan Series Electric Airless Sprayer 17E607 Quick Shop
    TexSpray Mark V IronMan Series Electric Airless Sprayer 17E607
    $20,120.00
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    The Mark V HD delivers a higher flow rate to complete jobs faster.
  17. TexSpray Mark X Standard Series Electric Airless Sprayer 17E608TexSpray Mark X Standard Series Electric Airless Sprayer 17E608 Quick Shop
    TexSpray Mark X Standard Series Electric Airless Sprayer 17E608
    $22,010.00
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    THE most powerful electric airless texture sprayer.
  18. TexSpray Mark X ProContractor Series Electric Airless Sprayer 17E609TexSpray Mark X ProContractor Series Electric Airless Sprayer 17E609 Quick Shop
    TexSpray Mark X ProContractor Series Electric Airless Sprayer 17E609
    $23,760.00
    Add to Wish List Add to Compare
    THE most powerful electric airless texture sprayer.
  19. TexSpray 5900 HD ProContractor Series Gas Airless Sprayer 17E840TexSpray 5900 HD ProContractor Series Gas Airless Sprayer 17E840 Quick Shop
    TexSpray 5900 HD ProContractor Series Gas Airless Sprayer 17E840
    $16,700.00
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    The GMAX II 5900 HD is built with must-have features to save you time and money by delivering exceptional performance and versatility.
  20. TexSpray 5900 HD Standard Series Gas Airless Sprayer 17E839TexSpray 5900 HD Standard Series Gas Airless Sprayer 17E839 Quick Shop
    TexSpray 5900 HD Standard Series Gas Airless Sprayer 17E839
    $14,970.00
    Add to Wish List Add to Compare
    The GMAX II 5900 HD is built with must-have features to save you time and money by delivering exceptional performance and versatility.
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Some epoxy intumescent coatings permit hot-pot application, where the components are mixed before being fed into a suitable single-component sprayer. Others require a compatible plural-component proportioning system. Follow the coating manufacturer’s requirements for mixing, viscosity, temperature, pressure and working time. Bolair can help assess the appropriate equipment using the coating data sheet.
First confirm which models are compatible with your coating and required production rate. An electric sprayer requires a suitable power supply, while a gas-hydraulic model can provide independence from site electrical power where engine operation is permitted. Output and pressure vary by model, so power source alone does not determine which sprayer is suitable for a larger project.
In many cases, yes. Certain Graco sprayers used for intumescent fireproofing can also be configured for compatible paints, primers, and protective coatings. However, equipment suitability should always be verified against the coating manufacturer's requirements, including viscosity, pressure requirements, tip size, and wetted-material compatibility.
There is no single pressure requirement for all intumescent coatings. The required operating pressure depends on the material being used, application temperature, hose length, spray tip selection, and desired production rate. Maximum working pressure is a rating of the equipment itself and should not be confused with the recommended spray pressure for a specific coating. Always follow the coating manufacturer's application guidelines.
Bolair carries a range of Graco equipment suitable for intumescent fireproofing applications, including TexSpray Mark, DutyMax, GH Big Rig, Xtreme PFP, and XM PFP systems. The appropriate equipment depends on the coating type, application method, and project requirements. Our team can help determine which system best matches your application.
Availability varies. Bolair periodically offers used, demo, and refurbished equipment, which may include fireproofing sprayers and related accessories. Check our used equipment inventory or contact our team for current availability.
Proper cleaning and maintenance are critical for maximizing equipment life and preventing material buildup. Follow the coating manufacturer's cleaning and flushing recommendations, as requirements vary by product. Always use cleaning products and solvents that are approved for both the coating and the equipment being used. Routine maintenance, including filter inspection, gun cleaning, and pump servicing, should be performed according to the equipment manufacturer's instructions.
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